package com.qd.panda.service.advertisement;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.sys.enums.BaseTableEnum;
import com.qd.common.panda.domain.entity.advertisement.AdvertisementDTO;
import com.qd.panda.mapper.advertisement.AdvertisementMapper;
import com.qd.panda.model.Advertisement;
import com.qd.system.service.dict.MbUtil;
import com.qd.system.util.FileConfirmUtil;
import com.qd.upload.constant.FileConfirmDTO;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;

import static java.util.stream.Collectors.toList;

/**
 * 广告信息
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class AdvertisementService extends BaseService<AdvertisementMapper, Advertisement> {

    private static final String PREFIX_ID = "panda_advertisement_advertisementId_{0}";

    private final RedisTemplateUtil<Advertisement> redisTemplateUtil;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public AdvertisementDTO save(AdvertisementDTO dto) {
        validator(dto);
        final Advertisement model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public AdvertisementDTO update(AdvertisementDTO dto) {
        validator(dto);
        final Advertisement historyModel = Optional.ofNullable(getById(dto.getAdvertisementId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final Advertisement model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 批量添加
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void saveBatch(List<Advertisement> mList) {
        try {
            if (!super.saveBatch(mList)) {
                throw new ApiException("批量添加失败");
            }
        } finally {
            clearCaches(mList);
        }
    }

    /**
     * 批量更新
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void updateBatchIds(List<Advertisement> mList) {
        final List<String> ids = mList.stream().map(Advertisement::getAdvertisementId).collect(toList());
        final List<Advertisement> historyModelList = checkIds(ids);
        try {
            if (!super.updateBatchById(mList)) {
                throw new ApiException("批量更新失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
            ids.clear();
        }
    }

    /**
     * 删除，单个
     *
     * @param advertisementId 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String advertisementId) {
        final Advertisement historyModel = Optional.ofNullable(getById(advertisementId)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(advertisementId)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<Advertisement> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(AdvertisementDTO dto) {
        final QueryWrapper<Advertisement> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param advertisementId 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String advertisementId) {
        boolean exists = false;
        if (StringUtils.hasLength(advertisementId)) {
            final Advertisement model = getById(advertisementId);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param advertisementId 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public Advertisement getById(String advertisementId) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, advertisementId);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(advertisementId), Advertisement.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param advertisementId 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public AdvertisementDTO getByIdDto(String advertisementId) {
        return Optional.ofNullable(getById(advertisementId)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public Advertisement getOne(AdvertisementDTO dto) {
        final QueryWrapper<Advertisement> queryWrapper = createQueryWrapper(dto);
        Advertisement model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public AdvertisementDTO getOneDto(AdvertisementDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<Advertisement> getList(AdvertisementDTO dto) {
        final QueryWrapper<Advertisement> queryWrapper = createQueryWrapper(dto);
        final List<Advertisement> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<AdvertisementDTO> getListDto(AdvertisementDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<AdvertisementDTO> page(Page<Advertisement> page, AdvertisementDTO dto) {
        final QueryWrapper<Advertisement> queryWrapper = createQueryWrapper(dto);
        Page<Advertisement> iPage = baseMapper.selectPage(page, queryWrapper);
        Optional.ofNullable(iPage.getRecords()).ifPresent(this::modelToDtoList);
        queryWrapper.clear();
        return iPage.convert(this::modelToDto);
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(Advertisement model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getAdvertisementId()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<Advertisement> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getAdvertisementId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public AdvertisementDTO modelToDto(Advertisement model) {
        if (null == model) {
            return null;
        }
        final AdvertisementDTO dto = new AdvertisementDTO();
        dto.setAdvertisementId(model.getAdvertisementId());
        dto.setTitle(model.getTitle());
        dto.setPic(model.getPic());
        dto.setJumpUrl(model.getJumpUrl());
        dto.setJumpParam(model.getJumpParam());
        dto.setBgColor(model.getBgColor());
        dto.setIdx(model.getIdx());
        dto.setAddTime(model.getAddTime());
        dto.setUpdateTime(model.getUpdateTime());
        dto.setLocation(model.getLocation());
        dto.setJumpType(model.getJumpType());
        dto.setAppid(model.getAppid());
        dto.setEnable(model.getEnable());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public Advertisement dtoToModel(AdvertisementDTO dto) {
        if (null == dto) {
            return null;
        }
        final Advertisement model = new Advertisement();
        model.setAdvertisementId(dto.getAdvertisementId());
        model.setTitle(dto.getTitle());
        model.setPic(dto.getPic());
        model.setJumpUrl(dto.getJumpUrl());
        model.setJumpParam(dto.getJumpParam());
        model.setBgColor(dto.getBgColor());
        model.setIdx(dto.getIdx());
        model.setAddTime(dto.getAddTime());
        model.setUpdateTime(dto.getUpdateTime());
        model.setLocation(dto.getLocation());
        model.setJumpType(dto.getJumpType());
        model.setAppid(dto.getAppid());
        model.setEnable(dto.getEnable());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(AdvertisementDTO dto) {
        dto.setLocationDisplay(MbUtil.idToDisplay(dto.getLocation()));
        dto.setEnableDisplay(MbUtil.idToDisplay(dto.getEnable()));
        dto.setJumpTypeDisplay(MbUtil.idToDisplay(dto.getJumpType()));
        dto.setPicDisplay(FileConfirmUtil.getImageFile(dto.getPic()));
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<AdvertisementDTO> modelToDtoList(List<Advertisement> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<Advertisement> dtoToModelList(List<AdvertisementDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<Advertisement> createQueryWrapper(AdvertisementDTO dto) {
        final QueryWrapper<Advertisement> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(dto.getTitle())) {
                queryWrapper.eq("title", dto.getTitle());
            }
            if (StringUtils.hasLength(dto.getPic())) {
                queryWrapper.eq("pic", dto.getPic());
            }
            if (StringUtils.hasLength(dto.getJumpUrl())) {
                queryWrapper.eq("jump_url", dto.getJumpUrl());
            }
            if (StringUtils.hasLength(dto.getJumpParam())) {
                queryWrapper.eq("jump_param", dto.getJumpParam());
            }
            if (StringUtils.hasLength(dto.getBgColor())) {
                queryWrapper.eq("bg_color", dto.getBgColor());
            }
            if (StringUtils.hasLength(dto.getLocation())) {
                queryWrapper.eq("location", dto.getLocation());
            }
            if (StringUtils.hasLength(dto.getJumpType())) {
                queryWrapper.eq("jump_type", dto.getJumpType());
            }
            if (StringUtils.hasLength(dto.getEnable())) {
                queryWrapper.eq("enable", dto.getEnable());
            }
        }
        queryWrapper.orderByAsc("idx");
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<Advertisement> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<Advertisement> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(Advertisement::getAdvertisementId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    private void validator(AdvertisementDTO dto) {
        if (StringUtils.hasLength(dto.getJumpType())) {
            if (MbUtil.isNotExists(dto.getJumpType(), BaseTableEnum.JUMP_TYPE)) {
                throw new ApiException("跳转类型值错误");
            }
        }
        if (StringUtils.hasLength(dto.getLocation())) {
            if (MbUtil.isNotExists(dto.getLocation(), BaseTableEnum.ADVERTISEMENT_LOCATION)) {
                throw new ApiException("广告位置值错误");
            }
        }
        if (StringUtils.hasLength(dto.getEnable())) {
            if (MbUtil.isNotExists(dto.getEnable(), BaseTableEnum.SF)) {
                throw new ApiException("是否启用值错误");
            }
        } else {
            dto.setEnable(ConstantDto.SF1);
        }
        if (StringUtils.hasLength(dto.getPic())) {
            if (dto.getPic().startsWith(ConstantDto.HTTPS) || dto.getPic().startsWith(ConstantDto.HTTP)) {
                dto.setPic(null);
            } else {
                FileConfirmDTO fileConfirmDto = FileConfirmUtil.singleFileConfirm(dto.getPic(), ConstantDto.ATTACHMENTTYPE_2);
                if (null == fileConfirmDto) {
                    throw new ApiException("文件ID不存在[" + dto.getPic() + "]");
                }
                dto.setPic(fileConfirmDto.getOfficialFile());
            }
        }
    }
}